Home / 3,427.76-4,739.63-3,372.18

Finding the Fourth Proportional to 3,427.76, 4,739.63 and 3,372.18

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Solution

The fourth proportional to 3,427.76, 4,739.63 and 3,372.18 is: 4,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.76 : 4,739.63 = 3,372.18 : x
  2. Step 2: Convert to fraction form
    3,427.76/4,739.63 = 3,372.18/x
  3. Step 3: Cross multiply
    3,427.76x = 4,739.63 × 3,372.18
  4. Step 4: Simplify right side
    3,427.76x = 15,982,868.63
  5. Step 5: Solve for x
    x = 15,982,868.63/3,427.76
  6. Step 6: Final answer
    x = 4,662.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.